CN207554424U - A kind of mute spiral case and mute range hood - Google Patents
A kind of mute spiral case and mute range hood Download PDFInfo
- Publication number
- CN207554424U CN207554424U CN201720762206.7U CN201720762206U CN207554424U CN 207554424 U CN207554424 U CN 207554424U CN 201720762206 U CN201720762206 U CN 201720762206U CN 207554424 U CN207554424 U CN 207554424U
- Authority
- CN
- China
- Prior art keywords
- spiral case
- bloop
- mute
- plate
- folded plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of mute spiral case and mute range hood, belongs to range hood muffling device field, this mute spiral case, including spiral case ontology and damping silencer plate；Spiral case ontology includes shell, and shell includes inlet air channel and air outlet, and damping silencer plate is arranged on the side wall of inlet air channel；Damping silencer plate includes fixed plate and acoustical panel, and acoustical panel includes multiple first folded plates and the second folded plate, multiple first folded plate parallel equidistant distributions, and the first folded plate includes the first end and second end being oppositely arranged；The third end of one the second folded plate is fixedly connected with the second end of first folded plate, and the 4th end is fixedly connected with the first end of another the first folded plate；Angle between first folded plate and the second folded plate is at an acute angle；Fixed plate is mounted on the one side far from spiral case ontology on acoustical panel.Can carry out rectification to the air-flow in range hood by this mute spiral case reduces noise.
Description
Technical field
The utility model is related to range hood muffling device field, in particular to a kind of mute spiral case and mute suction
Kitchen ventilator.
Background technology
At present, range hood carries out noise reduction, mainly takes the installation site for changing spiral case wind wheel, changes volute structure, changes
Become the measures such as wind wheel blade shape.But such noise reduction unobvious, and cost is higher.Later maintenance cost also compared with
Height is unsuitable for promoting for a long time.
Utility model content
The utility model provides a kind of mute spiral case and mute range hood, it is intended to solve mute spiral case in the prior art
With mute range hood existing for the above problem.
The utility model is realized in this way：
A kind of mute spiral case, including spiral case ontology and damping silencer plate；
The spiral case ontology includes shell, and the shell includes inlet air channel and air outlet, the damping silencer plate setting
On the side wall of the inlet air channel；
The damping silencer plate includes fixed plate and acoustical panel, and the acoustical panel includes multiple first folded plates and the second folding
Plate,
Multiple first folded plate parallel equidistant distributions, first folded plate include the first end and second being oppositely arranged
End；
Multiple second folded plate parallel equidistant distributions, second folded plate include the third end and the 4th being oppositely arranged
End；The third end of one second folded plate is fixedly connected with the second end of first folded plate, and described
Four ends are fixedly connected with the first end of the first folded plate another described；
Angle between first folded plate and second folded plate is at an acute angle；
The fixed plate is mounted on the one side far from the spiral case ontology on the acoustical panel.
In the utility model preferred embodiment, the fixed plate includes thin plate and the first elastic component, the thin plate packet
Include the first face and the second face being oppositely arranged；Second face is fixed with one side of the acoustical panel far from the spiral case ontology to be connected
It connects；One end of first elastic component is fixed at first face；The other end of first elastic component and the inlet air
The side wall connection of channel.
In the utility model preferred embodiment, it is provided with multiple first bloops on first folded plate, described
One bloop is through-hole.
In the utility model preferred embodiment, it is provided with multiple second bloops on second folded plate, described
Two bloops are through-hole, and second bloop and first bloop one on the acoustical panel and damping silencer plate are a pair of
It answers and coaxial.
In the utility model preferred embodiment, noise reduction ring is further included, the noise reduction ring includes bloop, the noise reduction
Piece is made of elastic sheet metal, and multiple third bloops are evenly arranged on the bloop；In the spiral case ontology further includes
Shell, the inner casing include circle portion and outlet section, and the bloop is arranged on the outside of the radial direction in the round portion.
In the utility model preferred embodiment, the noise reduction ring further includes noise reduction ring clip, the noise reduction ring clip
The first slot including being projected as major arc type, the noise reduction ring clip are fixed on the outside of the round portion of the spiral case ontology,
A side of the bloop is mounted in first slot.
In the utility model preferred embodiment, the noise reduction ring clip includes the first fastener and the second fastener, described
First slot is arranged on first fastener, and the second slot is provided on second fastener；
The opening of first slot and the opening of second slot face each other setting；The bloop includes being oppositely arranged
First side and second side, the first side is accommodated in first slot, and the second side is accommodated in described
In two slots.
In the utility model preferred embodiment, the noise reduction ring further includes the second elastic component, and first slot includes
First cell wall, the second cell wall and the first bottom, one end of second elastic component are fixedly mounted on second cell wall, the other end
It is connect with the bloop.
In the utility model preferred embodiment, first fastener includes the 5th end and the 6th end that are oppositely arranged,
Second fastener includes the 7th end and the 8th end that are oppositely arranged；The noise reduction ring clip further includes connector, the connection
Part includes third face and fourth face, and the 5th end is fixedly connected on the third face, and the 7th end is also fixedly connected on institute
State third face.
A kind of mute range hood, including range hood ontology and above-mentioned mute spiral case；
The mute spiral case is fixedly mounted in the range hood ontology.
The beneficial effects of the utility model are：By the snail that noise reduction ring provided by the utility model is installed to range hood
At shell, the vibration of generation distinguished and admirable at spiral case can be eliminated by bloop, and bloop can generate vibration because distinguished and admirable, lead to
The vibration that the elastic component crossed between noise reduction ring clip and bloop can lower between bloop and noise reduction ring clip is transmitted.
Description of the drawings
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
The restriction to range is should be considered as, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the structure diagram at the first visual angle of the mute spiral case that the utility model embodiment provides；
Fig. 2 is the structure diagram at the second visual angle of the mute spiral case that the utility model embodiment provides；
Fig. 3 is the structure diagram at the first visual angle of the acoustical panel that the utility model embodiment provides；
Fig. 4 is the partial enlarged view of a-quadrant in Fig. 3；
Fig. 5 is the structure diagram at the second visual angle of the acoustical panel that the utility model embodiment provides；
Fig. 6 is the structure diagram at the third visual angle for the acoustical panel that the utility model embodiment provides；
Fig. 7 is the structure diagram at the second visual angle of the damping silencer plate that the utility model embodiment provides；
Fig. 8 is the structure diagram for the fixed plate that the utility model embodiment provides；
Fig. 9 is the structure diagram at the first visual angle of the noise reduction ring clip that the utility model embodiment provides；
Figure 10 is the structure diagram at the second visual angle of the noise reduction ring clip that the utility model embodiment provides；
Figure 11 is the structure diagram at the third visual angle for the noise reduction ring clip that the utility model embodiment provides；
Figure 12 is the structure diagram for the bloop that the utility model embodiment provides；
Figure 13 is the structure diagram for the noise reduction ring that the utility model embodiment provides；
Figure 14 is the structure diagram at the first visual angle of the spiral case ontology that the utility model embodiment provides；
Figure 15 is the structure diagram at the second visual angle of the spiral case ontology that the utility model embodiment provides；
Figure 16 is the structure diagram at the first visual angle of the inner casing that the utility model embodiment provides and noise reduction ring；
Figure 17 is the structure diagram at the second visual angle of the inner casing that the utility model embodiment provides and noise reduction ring.
Icon：The mute spiral cases of 001-；010- damping silencer plates；011- acoustical panels；013- fixed plates；020- noise reduction rings；
021- noise reduction ring clips；022- bloops；The first folded plates of 100-；110- first ends；130- second ends；The first bloops of 150-；
The second folded plates of 200-；210- thirds end；The 4th ends of 230-；The second bloops of 250-；300- thin plates；The first faces of 310-；330-
Two faces；400- springs；The first fasteners of 500-；The 5th ends of 501-；The 6th ends of 503-；The first slots of 510-；The first cell walls of 511-；
5111- first through hole；The second through-holes of 5113-；The second cell walls of 513-；The first bottoms of 515-；The second fasteners of 600-；The 7th ends of 601-；
The 8th ends of 603-；The second slots of 610-；611- third cell walls；The 4th cell walls of 613-；The second bottoms of 615-；700- connectors；710-
Three faces；730- fourth faces；801- first sides；803- second sides；810- third bloops；900- spiral case ontologies；910-
Shell；930- inner casings；911- air outlets；915- tablets；913- inlet air channels；931- circles portion；933- outlet sections.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, below in conjunction with this practicality
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is the embodiment of a part of embodiment of the utility model rather than whole.Based on this practicality
Embodiment in novel, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit claimed the scope of the utility model, but is merely representative of the utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be appreciated that the term of indicating position or position relationship is based on attached drawing
Shown orientation or position relationship are for only for ease of description the utility model and simplify description rather than instruction or imply institute
The equipment or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this reality
With novel limitation.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
Mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It can be in direct contact including the first and second features, it is not to be in direct contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right over two features and oblique upper is merely representative of fisrt feature level height higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below immediately below second feature and obliquely downward or be merely representative of fisrt feature level
Highly it is less than second feature.
Embodiment one
A kind of mute spiral case 001 is present embodiments provided, please refers to Fig.1 and Fig. 2, this mute spiral case 001 includes spiral case
Ontology 900, damping silencer plate 010 and noise reduction ring 020.
It please refers to Fig.1, Figure 16 and Figure 17, spiral case ontology 900 includes shell 910 and inner casing 930, in the present embodiment, outside
Shell 910 is the housing of cuboid, and air outlet 911 is provided in a side.Tablet 915, tablet are provided in shell 910
915 and a wall surface of shell 910 be collectively formed inlet air channel 913, damping silencer plate 010 is mounted on separate in inlet air channel 913
On the wall surface of tablet 915.
Fig. 3 and Fig. 7 are please referred to, damping silencer plate 010 includes acoustical panel 011 and fixed plate 013, and fixed plate 013 is mounted on
In inlet air channel 913 on the wall surface far from tablet 915.
Acoustical panel 011 includes the first folded plate 100 and the second folded plate 200.
Fig. 3, Fig. 5 and Fig. 6 are please referred to, the first folded plate 100 is rectangle hard plate, and the first folded plate 100 includes being oppositely arranged
First end 110 and second end 130.First end 110 is located in the long side of the first folded plate 100, and second end 130 is located at the first folded plate
In 100 another long side.Multiple first bloops 150 are provided on the first folded plate 100, the first bloop 150 uniformly divides
Cloth is on the first folded plate 100.First bloop 150 is through-hole, can be directed to the air-flow of 100 one side of the first folded plate another
Face.
Referring to Fig. 4, acoustical panel 011 includes multiple first folded plates 100, multiple first folded plate, 100 parallel equidistants are distributed,
And the first bloop 150 on each first folded plate 100 is coaxial.
Second folded plate 200 is rectangle hard plate, and the second folded plate 200 includes 210 and the 4th end of third end being oppositely arranged
230.Third end 210 is located in the long side of the second folded plate 200, and the 4th end 230 is located in another article of long side of the second folded plate 200.
The third end 210 of second folded plate 200 is fixedly connected with the second end 130 of first folded plate 100, the 4th end 230 and another
The first end 110 of first folded plate 100 is fixedly connected.Multiple first folded plates 100 sequentially connected in this way and multiple second folded plates 200
Form an acoustical panel 011.
Multiple second bloops 250 are provided on the second folded plate 200, the second bloop 250 is evenly distributed on the second folding
On plate 200.Second bloop 250 is through-hole, can the air-flow of 200 one side of the second folded plate be directed to another side.Acoustical panel 011
On the second bloop 250 and the first bloop 150 correspond and coaxially.
Angle between first folded plate 100 and the second folded plate 200 is acute angle, is conducive to elastic recoil so that erasure effect
More preferably.
In the present embodiment, the first bloop 150 is distributed in the first folded plate 100 in the rectangular array of four rows 25 row
Between first end 110 and second end 130.Since first end 110 and second end 130 can be connect with the second folded plate 200, first disappears
150 integrated distribution of sound hole is at the position among first end 110 and second end 130.Correspondingly, the second bloop 250 is in four
The rectangular array that row 25 arranges is distributed between 210 and the 4th end 230 of third end of the second folded plate 200 to coordinate first to disappear
The position of sound hole 150.
First bloop 150 and the second bloop 250 are cylindrical hole, and there is isotropic speciality to be conducive to air-flow
Stability, improve erasure effect.The inner wall smooth of first bloop 150 and the second bloop 250.
In order to produce simplicity, in the first folded plate 100 for being not provided with the first bloop 150 and the second noise reduction can be not provided with
After second folded plate 200 in hole 250 forms connection relation, unified punching is being carried out, is once running through, improves the production of acoustical panel 011
Efficiency.Wherein the first folded plate 100 and the second folded plate 200 also can not only be formed by way of connection, can also pass through one piece
Hardboard is bent to form the first folded plate 100 and the second folded plate 200 is not provided with the first bloop 150 and the second bloop so as to be formed
250 acoustical panel 011.
Fig. 7 and Fig. 8 are please referred to, fixed plate 013 includes 300 and first elastic component of thin plate.Thin plate 300 includes what is be oppositely arranged
First face 310 and the second face 330.In the present embodiment, the first elastic component be more springs 400, the first end 110 of spring 400
It is fixedly connected on the first face 310.In other embodiments, the first elastic component may be butterfly spring, to determine fixed plate
013 one direction displacement.
Second face 330 of thin plate 300 is fixedly connected on one side of the acoustical panel 011 far from tablet 915 by welding
On so that thin plate 300 and acoustical panel 011 become an entirety.The other modes such as buckle can also be used by thin plate 300 and noise reduction
Plate 011 is tied together.
In actual use, it is installed on range hood by the one end of spring 400 far from thin plate 300.Acoustical panel
011 can generate the vibration of opposite housing bigger while noise reduction, and can mitigate noise reduction by the spring 400 on thin plate 300
The vibration that plate 011 is transmitted to housing, so as to which housing be avoided to generate the noise of bigger.
The arrangement of first bloop 150 can be not only the rectangular array distribution of four rows 25 row, or other
Other uniform regular distributions of ranks number, can be changed according to actual noise frequency.It simultaneously can also be by changing first
Realize the absorption abatement of the noise of different frequency in the aperture of 150 and second bloop 250 of bloop.
As shown in Figure 14 and Figure 15, spiral case ontology 900 further includes inner casing 930, and inner casing 930 is arranged on tablet 915 and shell
In the space that 910 internal faces far from acoustical panel 011 are formed.Inner casing 930 includes circle portion 931 and outlet section 933, outlet section 933
It is pierced by by air outlet 911.Noise reduction ring 020 is mounted on the outside in circle portion 931.
3 are please referred to Fig.1, noise reduction ring 020 includes noise reduction ring clip 021 and bloop 022, and bloop 022 passes through noise reduction ring
Clip 021 is connected and fixed.
Fig. 9, Figure 10 and Figure 11 are please referred to, noise reduction ring clip 021 includes the first fastener 500 and the second fastener 600.It is this
Noise reduction ring clip 021 is used to bloop 022 being installed to range hood, and damping and silencing is carried out to range hood.
First fastener 500 includes the first slot 510, and the first slot 510 includes the first cell wall 511 and the second cell wall that are oppositely arranged
513 and connection the first cell wall 511 and the second cell wall 513 the first bottom 515.First cell wall 511 is parallel with the second cell wall 513
Setting, the first bottom 515 is perpendicular to the first cell wall 511.
First fastener 500 is projected as major arc, and the opening of the first slot 510 is in the side of the first fastener 500.
Second fastener 600 includes the second slot 610, and the second slot 610 includes 611 and the 4th cell wall of third cell wall being oppositely arranged
613 and connection third cell wall 611 and the 4th cell wall 613 the second bottom 615.Third cell wall 611 is parallel with the 4th cell wall 613
Setting, the second bottom 615 is perpendicular to third cell wall 611.
The concrete shape of second fastener 600 is identical with the first fastener 500.In the present embodiment, the first fastener 500 and second
Fastener 600 is symmetrical relative to a virtual face minute surface, and the virtual face is parallel with 511 place plane of the first cell wall.
Opening the second fastener 600 of direction of first slot 510 of the first fastener 500, the second slot 610 of the second fastener 600
Opening the first fastener 500 of direction.
In the present embodiment, the first fastener 500 and the second fastener 600 are formed using stainless steel plate punching, in proof strength
While, it is ensured that there is certain elasticity, so as to reduce vibration transmission, and then reduce noise content.First fastener 500 is separate
Second fastener 600 be welded on acoustical panel 011 far from fixed plate 013 while on.
First fastener 500 includes the 5th end 501 and the 6th end 503 that are oppositely arranged, and the second fastener 600 includes being oppositely arranged
The 7th end 601 and the 8th end 603.Noise reduction ring clip 021 further includes connector 700, and in the present embodiment, connector 700 is
The horminess metal plate of rectangle, connector 700 include the third face 710 being oppositely arranged and fourth face 730.5th end 501 passes through weldering
The mode connect is fixedly connected on the side in third face 710, and the 7th end 601 is fixedly connected on third face also by the mode of welding
710 opposite side.The first fastener 500 and the second fastener 600 after being connect with connector 700 is also relative to virtual face minute surface pair
Claim.
Multiple first through hole 5111 are provided on the first cell wall 511, first through hole is passed through by bolt or elastic component
5111 can be connected to bloop 022 in noise reduction ring clip 021.
Multiple second through-holes 5113 are provided on the second cell wall 513, first through hole is passed through by bolt or elastic component
5111 bloop 022 can be connected on the another side of noise reduction ring clip 021 in, by the first cell wall 511 and the second slot
It is punched simultaneously on wall 513 so that noise reduction ring clip 021 has even-side, and arbitrary one side can be used.Bloop 022 is by bullet
Property piece is made, and third bloop 810 is provided on bloop 022, third bloop 810 is uniformly arranged on bloop 022
On, bloop 022 includes the first side 801 being oppositely arranged and second side 803.
The purpose of noise reduction ring clip 021 is fixed bloop 022, and bloop 022 is in the first slot 510 and the second slot 610
Clamping under can appropriate displacement, in order to ensure the displacement of bloop 022, in the present embodiment, the first bottom 515 and the first slot
511 place plane of wall is vertical, and bloop 022 can slide when abutting the first bottom 515 under the guiding of the first cell wall 511.
2 and Figure 13 are please referred to Fig.1, bloop 022 is made of elastic sheet metal, can carry out a degree of bending.Disappear
Third bloop 810 is provided on tablet 022, third bloop 810 is circular through hole, has the speciality of isotropic.Third
Stable guiding function can be formed on the bloop 022 that bloop 810 is uniformly arranged on to air-flow, slows down airstream vibration, is dropped
Low noise volume.
Bloop 022 includes the first side 801 being oppositely arranged and second side 803, first side 801 and second side
Third bloop 810 is not provided on 803 to improve the stability in noise reduction ring clip 021.
022 first side 801 of bloop is accommodated in the first slot 510, and second side 803 is accommodated in the second slot 610,
Bloop 022 can be in the first cell wall 511, third cell wall 611, the second bottom 615, the second cell wall 513, the 4th cell wall 613 and
The space intrinsic displacement formed between one bottom 515.
Noise reduction ring 020 further includes elastic component (not shown), and in the present embodiment, elastic component is spring 400, a part of
One end of spring 400 is fixedly mounted on the second cell wall 513, and the other end is abutted with the one side of bloop 022, another part spring
400 one end is fixedly mounted on the first cell wall 511, and the other end is abutted with the another side of bloop 022.Made by spring 400
Bloop 022 between the first cell wall 511 and the second cell wall 513 have flexibly move.And when bloop 022 vibrate it is larger
When, the active force between bloop 022 and noise reduction ring clip 021 is transmitted by spring 400 into row buffering, so as to avoid noise reduction
The rigid contact of piece 022 and noise reduction ring 020 causes vibration from 022 rigid of transmission of bloop to noise reduction ring clip 021, to cause
Noise reduction ring clip 021, which vibrates, acutely generates noise.
In mute spiral case 001 provided by the utility model, the setting of the first bloop 150 and the second bloop 250 can be with
Rectification is carried out to gas on the basis of air quantity is ensured so as to noise reduction, and the setting of damping silencer plate 010 can at inlet air channel 913
To reduce the obstruction to air-flow, avoid influencing to divulge information, so as to reduce partial noise.Noise reduction ring 020 can be to the air-flow in circle portion 931
Rectification is carried out, so as to reduce the noise that the noise source near round portion 931 is sent out.And acoustical panel 011 and bloop 022 elasticity
Connection has the function of slowing down vibration transmission, so as to reduce the noise of itself generation.
Embodiment two
Present embodiments provide a kind of mute range hood, this mute range hood includes range hood ontology and mute
Spiral case 001.
Mute spiral case 001 is mounted in range hood ontology, improves fume-exhausting by the reduction of mute 001 noise of spiral case
The noise content of machine entirety.
In mute spiral case 001 provided by the utility model, the setting of the first bloop 150 and the second bloop 250 can be with
Rectification is carried out to gas on the basis of air quantity is ensured so as to noise reduction, and the setting of damping silencer plate 010 can at inlet air channel 913
To reduce the obstruction to air-flow, avoid influencing to divulge information, so as to reduce partial noise.Noise reduction ring 020 can be to the air-flow in circle portion 931
Rectification is carried out, so as to reduce the noise that the noise source near round portion 931 is sent out.And acoustical panel 011 and bloop 022 elasticity
Connection has the function of slowing down vibration transmission, so as to reduce the noise of itself generation.
It, can be by generation distinguished and admirable at spiral case by the way that noise reduction ring 020 provided by the utility model is installed in range hood
Vibration eliminated by bloop 022, and bloop 022 can generate vibration because distinguished and admirable, by noise reduction ring clip 021 and disappearing
The vibration that elastic component between tablet 022 can lower between bloop 022 and noise reduction ring clip 021 is transmitted.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of mute spiral case, which is characterized in that including spiral case ontology and damping silencer plate；
The spiral case ontology includes shell, and the shell includes inlet air channel and air outlet, and the damping silencer plate is arranged on institute
On the side wall for stating inlet air channel；
The damping silencer plate includes fixed plate and acoustical panel, and the acoustical panel includes multiple first folded plates and the second folded plate,
Multiple first folded plate parallel equidistant distributions, first folded plate include the first end and second end being oppositely arranged；
Multiple second folded plate parallel equidistant distributions, second folded plate include the third end and the 4th end that are oppositely arranged；One
The third end of a second folded plate is fixedly connected with the second end of first folded plate, the 4th end with
The first end of another first folded plate is fixedly connected；
Angle between first folded plate and second folded plate is at an acute angle；
The fixed plate is mounted on the one side far from the spiral case ontology on the acoustical panel.
2. mute spiral case according to claim 1, which is characterized in that the fixed plate includes thin plate and the first elastic component,
The thin plate includes the first face and the second face that are oppositely arranged；Second face is with the acoustical panel far from the spiral case ontology
It is fixedly connected on one side；One end of first elastic component is fixed at first face；The other end of first elastic component
It is connect with the side wall of the inlet air channel.
3. mute spiral case according to claim 1, which is characterized in that multiple first noise reductions are provided on first folded plate
Hole, first bloop are through-hole.
4. mute spiral case according to claim 3, which is characterized in that multiple second noise reductions are provided on second folded plate
Hole, second bloop are through-hole, and second bloop and described first on the acoustical panel and damping silencer plate disappears
Sound hole corresponds and coaxial.
5. mute spiral case according to claim 1, which is characterized in that further include noise reduction ring, the noise reduction ring includes noise reduction
Piece, the bloop are made of elastic sheet metal, and multiple third bloops are evenly arranged on the bloop；The spiral case sheet
Body further includes inner casing, and the inner casing includes circle portion and outlet section, and the bloop is arranged on the outside of the radial direction in the round portion.
6. mute spiral case according to claim 5, which is characterized in that the noise reduction ring further includes noise reduction ring clip, described
Noise reduction ring clip includes the first slot for being projected as major arc type, and the noise reduction ring clip is fixed at the described of the spiral case ontology
On the outside of circle portion, a side of the bloop is mounted in first slot.
7. mute spiral case according to claim 6, which is characterized in that the noise reduction ring clip includes the first fastener and second
Fastener, first slot are arranged on first fastener, and the second slot is provided on second fastener；
The opening of first slot and the opening of second slot face each other setting；The bloop includes be oppositely arranged the
A side and second side, the first side are accommodated in first slot, and the second side is accommodated in second slot
It is interior.
8. mute spiral case according to claim 7, which is characterized in that the noise reduction ring further includes the second elastic component, described
First slot includes the first cell wall, the second cell wall and the first bottom, and one end of second elastic component is fixedly mounted on second slot
On wall, the other end is connect with the bloop.
9. mute spiral case according to claim 7, which is characterized in that first fastener includes the 5th end being oppositely arranged
With the 6th end, second fastener includes the 7th end and the 8th end that are oppositely arranged；The noise reduction ring clip further includes connector,
The connector includes third face and fourth face, and the 5th end is fixedly connected on the third face, and the 7th end is also fixed
It is connected to the third face.
10. a kind of mute range hood, which is characterized in that including range hood ontology and as described in claim any one of 1-9
Mute spiral case；
The mute spiral case is fixedly mounted in the range hood ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720762206.7U CN207554424U (en) | 2017-06-28 | 2017-06-28 | A kind of mute spiral case and mute range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720762206.7U CN207554424U (en) | 2017-06-28 | 2017-06-28 | A kind of mute spiral case and mute range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554424U true CN207554424U (en) | 2018-06-29 |
Family
ID=62671905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720762206.7U Expired - Fee Related CN207554424U (en) | 2017-06-28 | 2017-06-28 | A kind of mute spiral case and mute range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152417A (en) * | 2017-06-28 | 2017-09-12 | 陈涛 | A kind of Jing Yin spiral case and Jing Yin range hood |
-
2017
- 2017-06-28 CN CN201720762206.7U patent/CN207554424U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152417A (en) * | 2017-06-28 | 2017-09-12 | 陈涛 | A kind of Jing Yin spiral case and Jing Yin range hood |
| CN107152417B (en) * | 2017-06-28 | 2023-12-05 | 陈涛 | Mute volute and mute range hood |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201292993Y (en) | Ventilation noise deadener | |
| CN107152417A (en) | A kind of Jing Yin spiral case and Jing Yin range hood | |
| CN207554424U (en) | A kind of mute spiral case and mute range hood | |
| WO2020024522A1 (en) | Sound generation apparatus and portable terminal | |
| JP5230855B1 (en) | Soundproof plate and soundproof device that allow airflow | |
| CN206755541U (en) | Silencing case denoising device | |
| CN203271883U (en) | Silencer separating board and silencer | |
| CN201540507U (en) | Fixed structure of notebook computer loudspeaker | |
| CN202250304U (en) | Muffler | |
| CN216742049U (en) | Fan device and gas water heater | |
| CN207199292U (en) | A kind of acoustical panel and damping silencer plate | |
| US10674276B2 (en) | Speaker assembly | |
| CN210443263U (en) | Muffler device | |
| CN116491128A (en) | Sound equipment | |
| CN202811025U (en) | Improved structure of silencer | |
| CN107454522B (en) | Sound production device | |
| CN210564964U (en) | Refrigerator compressor silencer | |
| CN110821545A (en) | Self-silencing axial flow fan ventilation system for tunnel | |
| CN205895545U (en) | Improved generation air conditioner muffler admits air | |
| CN211144926U (en) | Noise elimination type diffuser for tunnel ventilation system | |
| CN212536268U (en) | Fan silencer | |
| CN210579077U (en) | Sound box with vibration reduction effect | |
| CN205793227U (en) | Sound system and electronic installation | |
| CN103452627A (en) | Improved muffler | |
| CN216600048U (en) | Sound box air guide device and sound box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 Termination date: 20200628 |